Question

a) An elevator descends round a shaft at the rate of 3m per
minute. If the descent starts from 40m above the ground
level. How long will it take to reach – 20 m?
h
3
b) After covering - of his journey. Sham realised that he
4
had to go another 7- km to reach his destination. What is
2
the total distance of his journey?​

Answer 1

Answer:

bhai I can't under stand .........bro sorry